F51.09
BillableOther insomnia not due to a substance or known physiological condition
F51.09 is the ICD-10-CM code for Other insomnia not due to a substance or known physiological condition. It is a billable, specific code valid for reimbursement.
F01-F99 Mental, Behavioral and Neurodevelopmental disorders
No additional coding notes for this code.
Frequently asked questions
- What is ICD-10 code F51.09?
- F51.09 is the ICD-10-CM code for "Other insomnia not due to a substance or known physiological condition". It falls under F01-F99 Mental, Behavioral and Neurodevelopmental disorders.
- Is F51.09 a billable code?
- Yes — F51.09 is a billable, specific ICD-10-CM code valid for reimbursement.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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